Quick answers
- Where does Mark W. Clark see patients?
- Medicare's clinician data lists 2 practice locations, including Vancouver, WA. Call before your visit to confirm the address.
- What is Mark W. Clark's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Mark W. Clark accept Medicare assignment?
- Yes. Medicare's clinician data says Mark W. Clark accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Mark W. Clark offer telehealth?
- Medicare's clinician data says Mark W. Clark offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark W. Clark?
- (360) 906-1190, as listed in official Medicare / NPI Registry data.
- What is Mark W. Clark's NPI number?
- 1114081577. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark W. Clark is enrolled with Medicare (CMS data updated 2026-10-02).
- 19120 SE 34th St, Suite 201Vancouver, WA 98683 (360) 906‑1190
- 7507 NE 51st StVancouver, WA 98662 (360) 906‑1190
Group practices
Medicare enrollment lists Mark W. Clark as a member of this group (CMS data updated 2026-10-02).
- Western Psychological and Counseling Services LLC348 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Vancouver
Clinicians with the same Medicare primary specialty in Vancouver, WA — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114081577 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians